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869426064 = 243213464437
BaseRepresentation
bin110011110100100…
…110001110010000
32020120222102100100
4303310212032100
53240033113224
6222134452400
730354666603
oct6364461620
92216872310
10869426064
1140684a741
12203204100
1310b1803c0
148367c33a
15514dcac9
hex33d26390

869426064 has 60 divisors (see below), whose sum is σ = 2620359196. Its totient is φ = 267515136.

The previous prime is 869426029. The next prime is 869426071. The reversal of 869426064 is 460624968.

It can be written as a sum of positive squares in 2 ways, for example, as 570827664 + 298598400 = 23892^2 + 17280^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230347 + ... + 234090.

Almost surely, 2869426064 is an apocalyptic number.

It is an amenable number.

869426064 is an abundant number, since it is smaller than the sum of its proper divisors (1750933132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869426064 is a wasteful number, since it uses less digits than its factorization.

869426064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464464 (or 464455 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 869426064 is about 29486.0316760326. The cubic root of 869426064 is about 954.4303004587.

The spelling of 869426064 in words is "eight hundred sixty-nine million, four hundred twenty-six thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 208 234 312 468 624 936 1872 464437 928874 1393311 1857748 2786622 3715496 4179933 5573244 6037681 7430992 8359866 11146488 12075362 16719732 18113043 22292976 24150724 33439464 36226086 48301448 54339129 66878928 72452172 96602896 108678258 144904344 217356516 289808688 434713032 869426064